\q1 \v=9 \v~=\w He|x-occurrence="1" x-occurrences="1"\w* \w does|x-occurrence="1" x-occurrences="2"\w* \w great|x-occurrence="1" x-occurrences="1"\w* \w things|x-occurrence="1" x-occurrences="3"\w*, \w things|x-occurrence="2" x-occurrences="3"\w* \w that|x-occurrence="1" x-occurrences="2"\w* \w we|x-occurrence="1" x-occurrences="2"\w* \w cannot|x-occurrence="1" x-occurrences="2"\w* \w understand|x-occurrence="1" x-occurrences="1"\w*; \¬q1 \q2 \p~<